Question

pls help to solve all the fill ups !!

Answer 1

3..-1

4.. 9

here you r ANS dear

Answer 2

1)- 3/5 is terminating decimal since the factor of denominator having 5,


2)- there are infinite rational numbers between two rational numbers,


3)- (2+√3) (2-√3),

(2)²-(√3)²,

4-3=1, [since (a+b)(a-b)=(a²-b²)],



4)- 27^(-2/3),

[3³]^(-2/3),

[3^(3×-2/3)],


[3^(-2)],

1/3²=1/9,


since a^(-2) =1/a²